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-rw-r--r--mesalib/src/mesa/drivers/common/driverfuncs.c4
-rw-r--r--mesalib/src/mesa/drivers/common/meta.c42
-rw-r--r--mesalib/src/mesa/drivers/common/meta.h32
-rw-r--r--mesalib/src/mesa/drivers/common/meta_blit.c45
-rw-r--r--mesalib/src/mesa/drivers/common/meta_copy_image.c3
-rw-r--r--mesalib/src/mesa/drivers/common/meta_generate_mipmap.c8
-rw-r--r--mesalib/src/mesa/drivers/common/meta_tex_subimage.c361
7 files changed, 447 insertions, 48 deletions
diff --git a/mesalib/src/mesa/drivers/common/driverfuncs.c b/mesalib/src/mesa/drivers/common/driverfuncs.c
index 4f0f7a686..0d094ddf4 100644
--- a/mesalib/src/mesa/drivers/common/driverfuncs.c
+++ b/mesalib/src/mesa/drivers/common/driverfuncs.c
@@ -101,7 +101,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
driver->TestProxyTexImage = _mesa_test_proxy_teximage;
driver->CompressedTexImage = _mesa_store_compressed_teximage;
driver->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
- driver->GetCompressedTexImage = _mesa_get_compressed_teximage;
+ driver->GetCompressedTexImage = _mesa_GetCompressedTexImage_sw;
driver->BindTexture = NULL;
driver->NewTextureObject = _mesa_new_texture_object;
driver->DeleteTexture = _mesa_delete_texture_object;
@@ -210,7 +210,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
driver->EndCallList = NULL;
/* GL_ARB_texture_storage */
- driver->AllocTextureStorage = _mesa_alloc_texture_storage;
+ driver->AllocTextureStorage = _mesa_AllocTextureStorage_sw;
/* GL_ARB_texture_view */
driver->TextureView = NULL;
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 87532c1df..3636ee83b 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -243,6 +243,7 @@ _mesa_meta_compile_and_link_program(struct gl_context *ctx,
void
_mesa_meta_setup_blit_shader(struct gl_context *ctx,
GLenum target,
+ bool do_depth,
struct blit_shader_table *table)
{
char *vs_source, *fs_source;
@@ -292,10 +293,11 @@ _mesa_meta_setup_blit_shader(struct gl_context *ctx,
"void main()\n"
"{\n"
" gl_FragColor = %s(texSampler, %s);\n"
- " gl_FragDepth = gl_FragColor.x;\n"
+ "%s"
"}\n",
fs_preprocess, shader->type, fs_input,
- shader->func, shader->texcoords);
+ shader->func, shader->texcoords,
+ do_depth ? " gl_FragDepth = gl_FragColor.x;\n" : "");
_mesa_meta_compile_and_link_program(ctx, vs_source, fs_source,
ralloc_asprintf(mem_ctx, "%s blit",
@@ -825,15 +827,18 @@ _mesa_meta_end(struct gl_context *ctx)
const GLbitfield state = save->SavedState;
int i;
- /* After starting a new occlusion query, initialize the results to the
- * values saved previously. The driver will then continue to increment
- * these values.
- */
+ /* Grab the result of the old occlusion query before starting it again. The
+ * old result is added to the result of the new query so the driver will
+ * continue adding where it left off. */
if (state & MESA_META_OCCLUSION_QUERY) {
if (save->CurrentOcclusionObject) {
- _mesa_BeginQuery(save->CurrentOcclusionObject->Target,
- save->CurrentOcclusionObject->Id);
- ctx->Query.CurrentOcclusionObject->Result = save->CurrentOcclusionObject->Result;
+ struct gl_query_object *q = save->CurrentOcclusionObject;
+ GLuint64EXT result;
+ if (!q->Ready)
+ ctx->Driver.WaitQuery(ctx, q);
+ result = q->Result;
+ _mesa_BeginQuery(q->Target, q->Id);
+ ctx->Query.CurrentOcclusionObject->Result += result;
}
}
@@ -1213,16 +1218,6 @@ _mesa_meta_end(struct gl_context *ctx)
/**
- * Determine whether Mesa is currently in a meta state.
- */
-GLboolean
-_mesa_meta_in_progress(struct gl_context *ctx)
-{
- return ctx->Meta->SaveStackDepth != 0;
-}
-
-
-/**
* Convert Z from a normalized value in the range [0, 1] to an object-space
* Z coordinate in [-1, +1] so that drawing at the new Z position with the
* default/identity ortho projection results in the original Z value.
@@ -2801,7 +2796,8 @@ copytexsubimage_using_blit_framebuffer(struct gl_context *ctx, GLuint dims,
* are too strict for CopyTexImage. We know meta will be fine with format
* changes.
*/
- mask = _mesa_meta_BlitFramebuffer(ctx, x, y,
+ mask = _mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ x, y,
x + width, y + height,
xoffset, yoffset,
xoffset + width, yoffset + height,
@@ -3045,7 +3041,7 @@ decompress_texture_image(struct gl_context *ctx,
_mesa_meta_setup_vertex_objects(&decompress->VAO, &decompress->VBO, true,
2, 4, 0);
- _mesa_meta_setup_blit_shader(ctx, target, &decompress->shaders);
+ _mesa_meta_setup_blit_shader(ctx, target, false, &decompress->shaders);
} else {
_mesa_meta_setup_ff_tnl_for_blit(&decompress->VAO, &decompress->VBO, 3);
}
@@ -3177,7 +3173,7 @@ _mesa_meta_GetTexImage(struct gl_context *ctx,
{
if (_mesa_is_format_compressed(texImage->TexFormat)) {
GLuint slice;
- bool result;
+ bool result = true;
for (slice = 0; slice < texImage->Depth; slice++) {
void *dst;
@@ -3208,7 +3204,7 @@ _mesa_meta_GetTexImage(struct gl_context *ctx,
return;
}
- _mesa_get_teximage(ctx, format, type, pixels, texImage);
+ _mesa_GetTexImage_sw(ctx, format, type, pixels, texImage);
}
diff --git a/mesalib/src/mesa/drivers/common/meta.h b/mesalib/src/mesa/drivers/common/meta.h
index 6ecf3c005..e7d894df1 100644
--- a/mesalib/src/mesa/drivers/common/meta.h
+++ b/mesalib/src/mesa/drivers/common/meta.h
@@ -298,7 +298,8 @@ struct blit_state
{
GLuint VAO;
GLuint VBO;
- struct blit_shader_table shaders;
+ struct blit_shader_table shaders_with_depth;
+ struct blit_shader_table shaders_without_depth;
GLuint msaa_shaders[BLIT_MSAA_SHADER_COUNT];
struct temp_texture depthTex;
bool no_ctsi_fallback;
@@ -446,8 +447,11 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
extern void
_mesa_meta_end(struct gl_context *ctx);
-extern GLboolean
-_mesa_meta_in_progress(struct gl_context *ctx);
+static inline bool
+_mesa_meta_in_progress(struct gl_context *ctx)
+{
+ return ctx->Meta->SaveStackDepth != 0;
+}
extern void
_mesa_meta_fb_tex_blit_begin(const struct gl_context *ctx,
@@ -471,12 +475,16 @@ _mesa_meta_setup_sampler(struct gl_context *ctx,
extern GLbitfield
_mesa_meta_BlitFramebuffer(struct gl_context *ctx,
+ const struct gl_framebuffer *readFb,
+ const struct gl_framebuffer *drawFb,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter);
extern void
_mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
+ struct gl_framebuffer *readFb,
+ struct gl_framebuffer *drawFb,
GLint srcX0, GLint srcY0,
GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0,
@@ -519,6 +527,23 @@ extern void
_mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj);
+extern bool
+_mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *tex_image,
+ int xoffset, int yoffset, int zoffset,
+ int width, int height, int depth,
+ GLenum format, GLenum type, const void *pixels,
+ bool allocate_storage, bool create_pbo,
+ const struct gl_pixelstore_attrib *packing);
+
+extern bool
+_mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *tex_image,
+ int xoffset, int yoffset, int zoffset,
+ int width, int height, int depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing);
+
extern void
_mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
@@ -612,6 +637,7 @@ _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
void
_mesa_meta_setup_blit_shader(struct gl_context *ctx,
GLenum target,
+ bool do_depth,
struct blit_shader_table *table);
void
diff --git a/mesalib/src/mesa/drivers/common/meta_blit.c b/mesalib/src/mesa/drivers/common/meta_blit.c
index 01cb532fe..3406be1ed 100644
--- a/mesalib/src/mesa/drivers/common/meta_blit.c
+++ b/mesalib/src/mesa/drivers/common/meta_blit.c
@@ -232,6 +232,7 @@ setup_glsl_msaa_blit_scaled_shader(struct gl_context *ctx,
static void
setup_glsl_msaa_blit_shader(struct gl_context *ctx,
struct blit_state *blit,
+ const struct gl_framebuffer *drawFb,
struct gl_renderbuffer *src_rb,
GLenum target)
{
@@ -267,7 +268,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
/* Update the assert if we plan to support more than 16X MSAA. */
assert(shader_offset >= 0 && shader_offset <= 4);
- if (ctx->DrawBuffer->Visual.samples > 1) {
+ if (drawFb->Visual.samples > 1) {
/* If you're calling meta_BlitFramebuffer with the destination
* multisampled, this is the only path that will work -- swrast and
* CopyTexImage won't work on it either.
@@ -508,9 +509,11 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
static void
setup_glsl_blit_framebuffer(struct gl_context *ctx,
struct blit_state *blit,
+ const struct gl_framebuffer *drawFb,
struct gl_renderbuffer *src_rb,
GLenum target, GLenum filter,
- bool is_scaled_blit)
+ bool is_scaled_blit,
+ bool do_depth)
{
unsigned texcoord_size;
bool is_target_multisample = target == GL_TEXTURE_2D_MULTISAMPLE ||
@@ -529,9 +532,11 @@ setup_glsl_blit_framebuffer(struct gl_context *ctx,
if (is_target_multisample && is_filter_scaled_resolve && is_scaled_blit) {
setup_glsl_msaa_blit_scaled_shader(ctx, blit, src_rb, target, filter);
} else if (is_target_multisample) {
- setup_glsl_msaa_blit_shader(ctx, blit, src_rb, target);
+ setup_glsl_msaa_blit_shader(ctx, blit, drawFb, src_rb, target);
} else {
- _mesa_meta_setup_blit_shader(ctx, target, &blit->shaders);
+ _mesa_meta_setup_blit_shader(ctx, target, do_depth,
+ do_depth ? &blit->shaders_with_depth
+ : &blit->shaders_without_depth);
}
}
@@ -543,12 +548,13 @@ setup_glsl_blit_framebuffer(struct gl_context *ctx,
*/
static bool
blitframebuffer_texture(struct gl_context *ctx,
+ const struct gl_framebuffer *readFb,
+ const struct gl_framebuffer *drawFb,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLenum filter, GLint flipX, GLint flipY,
GLboolean glsl_version, GLboolean do_depth)
{
- const struct gl_framebuffer *readFb = ctx->ReadBuffer;
int att_index = do_depth ? BUFFER_DEPTH : readFb->_ColorReadBufferIndex;
const struct gl_renderbuffer_attachment *readAtt =
&readFb->Attachment[att_index];
@@ -642,7 +648,8 @@ blitframebuffer_texture(struct gl_context *ctx,
scaled_blit = dstW != srcW || dstH != srcH;
if (glsl_version) {
- setup_glsl_blit_framebuffer(ctx, blit, rb, target, filter, scaled_blit);
+ setup_glsl_blit_framebuffer(ctx, blit, drawFb, rb, target, filter, scaled_blit,
+ do_depth);
}
else {
_mesa_meta_setup_ff_tnl_for_blit(&ctx->Meta->Blit.VAO,
@@ -677,7 +684,7 @@ blitframebuffer_texture(struct gl_context *ctx,
*/
if (ctx->Extensions.EXT_texture_sRGB_decode) {
if (_mesa_get_format_color_encoding(rb->Format) == GL_SRGB &&
- ctx->DrawBuffer->Visual.sRGBCapable) {
+ drawFb->Visual.sRGBCapable) {
_mesa_SamplerParameteri(fb_tex_blit.sampler,
GL_TEXTURE_SRGB_DECODE_EXT, GL_DECODE_EXT);
_mesa_set_framebuffer_srgb(ctx, GL_TRUE);
@@ -701,7 +708,7 @@ blitframebuffer_texture(struct gl_context *ctx,
if (target == GL_TEXTURE_2D) {
const struct gl_texture_image *texImage
- = _mesa_select_tex_image(ctx, texObj, target, srcLevel);
+ = _mesa_select_tex_image(texObj, target, srcLevel);
s0 = srcX0 / (float) texImage->Width;
s1 = srcX1 / (float) texImage->Width;
t0 = srcY0 / (float) texImage->Height;
@@ -869,6 +876,8 @@ _mesa_meta_setup_sampler(struct gl_context *ctx,
*/
GLbitfield
_mesa_meta_BlitFramebuffer(struct gl_context *ctx,
+ const struct gl_framebuffer *readFb,
+ const struct gl_framebuffer *drawFb,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
@@ -890,7 +899,7 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
ctx->Extensions.ARB_fragment_shader;
/* Multisample texture blit support requires texture multisample. */
- if (ctx->ReadBuffer->Visual.samples > 0 &&
+ if (readFb->Visual.samples > 0 &&
!ctx->Extensions.ARB_texture_multisample) {
return mask;
}
@@ -898,7 +907,8 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
/* Clip a copy of the blit coordinates. If these differ from the input
* coordinates, then we'll set the scissor.
*/
- if (!_mesa_clip_blit(ctx, &clip.srcX0, &clip.srcY0, &clip.srcX1, &clip.srcY1,
+ if (!_mesa_clip_blit(ctx, readFb, drawFb,
+ &clip.srcX0, &clip.srcY0, &clip.srcX1, &clip.srcY1,
&clip.dstX0, &clip.dstY0, &clip.dstX1, &clip.dstY1)) {
/* clipped/scissored everything away */
return 0;
@@ -926,7 +936,8 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
/* Try faster, direct texture approach first */
if (mask & GL_COLOR_BUFFER_BIT) {
- if (blitframebuffer_texture(ctx, srcX0, srcY0, srcX1, srcY1,
+ if (blitframebuffer_texture(ctx, readFb, drawFb,
+ srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1,
filter, dstFlipX, dstFlipY,
use_glsl_version, false)) {
@@ -935,7 +946,8 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
}
if (mask & GL_DEPTH_BUFFER_BIT && use_glsl_version) {
- if (blitframebuffer_texture(ctx, srcX0, srcY0, srcX1, srcY1,
+ if (blitframebuffer_texture(ctx, readFb, drawFb,
+ srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1,
filter, dstFlipX, dstFlipY,
use_glsl_version, true)) {
@@ -962,7 +974,8 @@ _mesa_meta_glsl_blit_cleanup(struct blit_state *blit)
blit->VBO = 0;
}
- _mesa_meta_blit_shader_table_cleanup(&blit->shaders);
+ _mesa_meta_blit_shader_table_cleanup(&blit->shaders_with_depth);
+ _mesa_meta_blit_shader_table_cleanup(&blit->shaders_without_depth);
_mesa_DeleteTextures(1, &blit->depthTex.TexObj);
blit->depthTex.TexObj = 0;
@@ -970,20 +983,22 @@ _mesa_meta_glsl_blit_cleanup(struct blit_state *blit)
void
_mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
+ struct gl_framebuffer *readFb,
+ struct gl_framebuffer *drawFb,
GLint srcX0, GLint srcY0,
GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0,
GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
{
- mask = _mesa_meta_BlitFramebuffer(ctx,
+ mask = _mesa_meta_BlitFramebuffer(ctx, readFb, drawFb,
srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1,
mask, filter);
if (mask == 0x0)
return;
- _swrast_BlitFramebuffer(ctx,
+ _swrast_BlitFramebuffer(ctx, readFb, drawFb,
srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1,
mask, filter);
diff --git a/mesalib/src/mesa/drivers/common/meta_copy_image.c b/mesalib/src/mesa/drivers/common/meta_copy_image.c
index fc0cbaf1b..1729766f7 100644
--- a/mesalib/src/mesa/drivers/common/meta_copy_image.c
+++ b/mesalib/src/mesa/drivers/common/meta_copy_image.c
@@ -189,7 +189,8 @@ _mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
* We have already created views to ensure that the texture formats
* match.
*/
- ctx->Driver.BlitFramebuffer(ctx, src_x, src_y,
+ ctx->Driver.BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ src_x, src_y,
src_x + src_width, src_y + src_height,
dst_x, dst_y,
dst_x + src_width, dst_y + src_height,
diff --git a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
index 8ffd8da3b..c1b6d3c1f 100644
--- a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -71,7 +71,7 @@ fallback_required(struct gl_context *ctx, GLenum target,
}
srcLevel = texObj->BaseLevel;
- baseImage = _mesa_select_tex_image(ctx, texObj, target, srcLevel);
+ baseImage = _mesa_select_tex_image(texObj, target, srcLevel);
if (!baseImage) {
_mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
"glGenerateMipmap() couldn't find base teximage\n");
@@ -193,7 +193,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
if (use_glsl_version) {
_mesa_meta_setup_vertex_objects(&mipmap->VAO, &mipmap->VBO, true,
2, 4, 0);
- _mesa_meta_setup_blit_shader(ctx, target, &mipmap->shaders);
+ _mesa_meta_setup_blit_shader(ctx, target, false, &mipmap->shaders);
} else {
_mesa_meta_setup_ff_tnl_for_blit(&mipmap->VAO, &mipmap->VBO, 3);
_mesa_set_enable(ctx, target, GL_TRUE);
@@ -265,7 +265,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
GLsizei srcWidth, srcHeight, srcDepth;
GLsizei dstWidth, dstHeight, dstDepth;
- srcImage = _mesa_select_tex_image(ctx, texObj, faceTarget, srcLevel);
+ srcImage = _mesa_select_tex_image(texObj, faceTarget, srcLevel);
assert(srcImage->Border == 0);
/* src size */
@@ -304,7 +304,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
*/
break;
}
- dstImage = _mesa_select_tex_image(ctx, texObj, faceTarget, dstLevel);
+ dstImage = _mesa_select_tex_image(texObj, faceTarget, dstLevel);
/* limit minification to src level */
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
diff --git a/mesalib/src/mesa/drivers/common/meta_tex_subimage.c b/mesalib/src/mesa/drivers/common/meta_tex_subimage.c
new file mode 100644
index 000000000..68c8273fe
--- /dev/null
+++ b/mesalib/src/mesa/drivers/common/meta_tex_subimage.c
@@ -0,0 +1,361 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2015 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Jason Ekstrand <jason.ekstrand@intel.com>
+ */
+
+#include "bufferobj.h"
+#include "buffers.h"
+#include "fbobject.h"
+#include "glformats.h"
+#include "glheader.h"
+#include "image.h"
+#include "macros.h"
+#include "meta.h"
+#include "pbo.h"
+#include "shaderapi.h"
+#include "state.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "texstate.h"
+#include "uniforms.h"
+#include "varray.h"
+
+static struct gl_texture_image *
+create_texture_for_pbo(struct gl_context *ctx, bool create_pbo,
+ GLenum pbo_target, int width, int height, int depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ GLuint *tmp_pbo, GLuint *tmp_tex)
+{
+ uint32_t pbo_format;
+ GLenum internal_format;
+ unsigned row_stride;
+ struct gl_buffer_object *buffer_obj;
+ struct gl_texture_object *tex_obj;
+ struct gl_texture_image *tex_image;
+ bool read_only;
+
+ if ((packing->ImageHeight != 0 && packing->ImageHeight != height) ||
+ packing->SwapBytes ||
+ packing->LsbFirst ||
+ packing->Invert)
+ return NULL;
+
+ pbo_format = _mesa_format_from_format_and_type(format, type);
+ if (_mesa_format_is_mesa_array_format(pbo_format))
+ pbo_format = _mesa_format_from_array_format(pbo_format);
+
+ if (!pbo_format || !ctx->TextureFormatSupported[pbo_format])
+ return NULL;
+
+ /* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
+ pixels = _mesa_image_address3d(packing, pixels,
+ width, height, format, type, 0, 0, 0);
+ row_stride = _mesa_image_row_stride(packing, width, format, type);
+
+ if (_mesa_is_bufferobj(packing->BufferObj)) {
+ *tmp_pbo = 0;
+ buffer_obj = packing->BufferObj;
+ } else {
+ assert(create_pbo);
+
+ _mesa_GenBuffers(1, tmp_pbo);
+
+ /* We are not doing this inside meta_begin/end. However, we know the
+ * client doesn't have the given target bound, so we can go ahead and
+ * squash it. We'll set it back when we're done.
+ */
+ _mesa_BindBuffer(pbo_target, *tmp_pbo);
+
+ _mesa_BufferData(pbo_target, row_stride * height, pixels, GL_STREAM_DRAW);
+
+ buffer_obj = ctx->Unpack.BufferObj;
+ pixels = NULL;
+
+ _mesa_BindBuffer(pbo_target, 0);
+ }
+
+ _mesa_GenTextures(1, tmp_tex);
+ tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
+ tex_obj->Target = depth > 1 ? GL_TEXTURE_2D_ARRAY : GL_TEXTURE_2D;
+ tex_obj->Immutable = GL_TRUE;
+ _mesa_initialize_texture_object(ctx, tex_obj, *tmp_tex, GL_TEXTURE_2D);
+
+ internal_format = _mesa_get_format_base_format(pbo_format);
+
+ tex_image = _mesa_get_tex_image(ctx, tex_obj, tex_obj->Target, 0);
+ _mesa_init_teximage_fields(ctx, tex_image, width, height, depth,
+ 0, internal_format, pbo_format);
+
+ read_only = pbo_target == GL_PIXEL_UNPACK_BUFFER;
+ if (!ctx->Driver.SetTextureStorageForBufferObject(ctx, tex_obj,
+ buffer_obj,
+ (intptr_t)pixels,
+ row_stride,
+ read_only)) {
+ _mesa_DeleteTextures(1, tmp_tex);
+ _mesa_DeleteBuffers(1, tmp_pbo);
+ return NULL;
+ }
+
+ return tex_image;
+}
+
+bool
+_mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *tex_image,
+ int xoffset, int yoffset, int zoffset,
+ int width, int height, int depth,
+ GLenum format, GLenum type, const void *pixels,
+ bool allocate_storage, bool create_pbo,
+ const struct gl_pixelstore_attrib *packing)
+{
+ GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
+ struct gl_texture_image *pbo_tex_image;
+ GLenum status;
+ bool success = false;
+ int z;
+
+ /* XXX: This should probably be passed in from somewhere */
+ const char *where = "_mesa_meta_pbo_TexSubImage";
+
+ if (!_mesa_is_bufferobj(packing->BufferObj) && !create_pbo)
+ return false;
+
+ if (format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL ||
+ format == GL_STENCIL_INDEX ||
+ format == GL_COLOR_INDEX)
+ return false;
+
+ if (ctx->_ImageTransferState)
+ return false;
+
+ if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
+ format, type, INT_MAX, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(out of bounds PBO access)", where);
+ return true;
+ }
+
+ if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
+ return true;
+ }
+
+ pbo_tex_image = create_texture_for_pbo(ctx, create_pbo,
+ GL_PIXEL_UNPACK_BUFFER,
+ width, height, depth,
+ format, type, pixels, packing,
+ &pbo, &pbo_tex);
+ if (!pbo_tex_image)
+ return false;
+
+ if (allocate_storage)
+ ctx->Driver.AllocTextureImageBuffer(ctx, tex_image);
+
+ /* Only stash the current FBO */
+ _mesa_meta_begin(ctx, 0);
+
+ _mesa_GenFramebuffers(2, fbos);
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
+
+ if (tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
+ assert(depth == 1);
+ depth = height;
+ height = 1;
+ }
+
+ _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ pbo_tex_image, 0);
+ /* If this passes on the first layer it should pass on the others */
+ status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ goto fail;
+
+ _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ tex_image, zoffset);
+ /* If this passes on the first layer it should pass on the others */
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ goto fail;
+
+ _mesa_update_state(ctx);
+
+ if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ 0, 0, width, height,
+ xoffset, yoffset,
+ xoffset + width, yoffset + height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST))
+ goto fail;
+
+ for (z = 1; z < depth; z++) {
+ _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ pbo_tex_image, z);
+ _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ tex_image, zoffset + z);
+
+ _mesa_update_state(ctx);
+
+ _mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ 0, 0, width, height,
+ xoffset, yoffset,
+ xoffset + width, yoffset + height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ }
+
+ success = true;
+
+fail:
+ _mesa_DeleteFramebuffers(2, fbos);
+ _mesa_DeleteTextures(1, &pbo_tex);
+ _mesa_DeleteBuffers(1, &pbo);
+
+ _mesa_meta_end(ctx);
+
+ return success;
+}
+
+bool
+_mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *tex_image,
+ int xoffset, int yoffset, int zoffset,
+ int width, int height, int depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing)
+{
+ GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
+ struct gl_texture_image *pbo_tex_image;
+ GLenum status;
+ bool success = false;
+ int z;
+
+ /* XXX: This should probably be passed in from somewhere */
+ const char *where = "_mesa_meta_pbo_GetTexSubImage";
+
+ if (!_mesa_is_bufferobj(packing->BufferObj))
+ return false;
+
+ if (format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL ||
+ format == GL_STENCIL_INDEX ||
+ format == GL_COLOR_INDEX)
+ return false;
+
+ if (ctx->_ImageTransferState)
+ return false;
+
+ if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
+ format, type, INT_MAX, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(out of bounds PBO access)", where);
+ return true;
+ }
+
+ if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
+ return true;
+ }
+
+ pbo_tex_image = create_texture_for_pbo(ctx, false, GL_PIXEL_PACK_BUFFER,
+ width, height, depth,
+ format, type, pixels, packing,
+ &pbo, &pbo_tex);
+ if (!pbo_tex_image)
+ return false;
+
+ /* Only stash the current FBO */
+ _mesa_meta_begin(ctx, 0);
+
+ _mesa_GenFramebuffers(2, fbos);
+
+ if (tex_image && tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
+ assert(depth == 1);
+ depth = height;
+ height = 1;
+ }
+
+ /* If we were given a texture, bind it to the read framebuffer. If not,
+ * we're doing a ReadPixels and we should just use whatever framebuffer
+ * the client has bound.
+ */
+ if (tex_image) {
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
+ _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ tex_image, zoffset);
+ /* If this passes on the first layer it should pass on the others */
+ status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ goto fail;
+ } else {
+ assert(depth == 1);
+ }
+
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
+ _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ pbo_tex_image, 0);
+ /* If this passes on the first layer it should pass on the others */
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ goto fail;
+
+ _mesa_update_state(ctx);
+
+ if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ xoffset, yoffset,
+ xoffset + width, yoffset + height,
+ 0, 0, width, height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST))
+ goto fail;
+
+ for (z = 1; z < depth; z++) {
+ _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ tex_image, zoffset + z);
+ _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ pbo_tex_image, z);
+
+ _mesa_update_state(ctx);
+
+ _mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ xoffset, yoffset,
+ xoffset + width, yoffset + height,
+ 0, 0, width, height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ }
+
+ success = true;
+
+fail:
+ _mesa_DeleteFramebuffers(2, fbos);
+ _mesa_DeleteTextures(1, &pbo_tex);
+ _mesa_DeleteBuffers(1, &pbo);
+
+ _mesa_meta_end(ctx);
+
+ return success;
+}